ABB 1SDA051236R1 Molded Case Circuit Breaker

• ABB 1SDA051236R1 Molded Case Circuit Breaker (MCCB)

  1. Product Overview

  The ABB 1SDA051236R1 is a high-performance Molded Case Circuit Breaker (MCCB) designed for industrial, commercial, and large building power systems. It provides protection against overload, short-circuit, and undervoltage conditions. The breaker features a thermal-magnetic trip unit with adjustable overload protection and high breaking capacity, ensuring safe and reliable operation of electrical systems.

  2. Technical Specifications

  • Model: 1SDA051236R1

  • Type: Molded Case Circuit Breaker (MCCB)

  • Poles: 3-pole

  • Rated Current: 100 A

  • Rated Operating Voltage: Up to 690 V AC / 500 V DC

  • Rated Insulation Voltage: 800 V

  • Ultimate Short-Circuit Breaking Capacity (I_cu):
    • 220–230 V AC ≈ 12 kA
    • 380–440 V AC ≈ 85 kA
    • 500 V AC ≈ 50 kA
    • 690 V AC ≈ 10 kA

  • Service Short-Circuit Breaking Capacity (I_cs):
    • 220–230 V AC ≈ 120 kA
    • 380–415 V AC ≈ 70 kA
    • 500 V AC ≈ 37.5 kA
    • 690 V AC ≈ 7.5 kA

  • Power Loss: ~8.5 W/pole

  • Mechanical Life: ~25,000 operations

  • Electrical Life: ~8,000 operations

  • Terminal Connection: Fixed front terminals

  • Mounting: Panel or DIN rail mounting

  • Protection Rating: IP20

  • Operating Temperature: -25 °C to +55 °C

  • Standards: IEC 60947 series

  3. Advantages and Features

  1. Comprehensive Protection: Prevents damage from overload, short-circuit, and undervoltage.

  2. High Breaking Capacity: Reliable short-circuit interruption across various voltages.

  3. Durable and Reliable: Thermal-magnetic trip ensures long mechanical and electrical life.

  4. Standard Compliance: IEC 60947 compliant for global compatibility.

  5. Compact Design: Modular and space-saving for high-density installation in distribution panels.

  4. Typical Applications

  • Industrial power distribution systems

  • Commercial and large building main distribution boards

  • Motor Control Centers (MCC)

  • Low-voltage distribution in substations

  • Equipment and load isolation protection

  5. Installation and Usage Notes

  • Disconnect power before installation to ensure safety.

  • Verify breaker rated current matches system load to avoid overload or nuisance tripping.

  • Follow wiring diagrams for correct connections.

  • Regularly inspect terminals, handles, and trip mechanisms.

  • Avoid long-term use in humid, corrosive, or high-vibration environments.

•  

The structure and details of the product：

Please make an inquiry for more models

ABB TB820V2-eA 3BSE013208R2

ABB AO810V2-eA 3BSE038415R2

ABB AI820-eA 3BSE008544R2

ABB DI821-eA 3BSE008550R2

ABB AO820-eA 3BSE008546R2

ABB DO802-eA 3BSE022364R2

ABB CI801-eA 3BSE022366R2

ABB DI810-eA 3BSE008508R2

ABB AI845-eA 3BSE023675R2

ABB AI801-eA 3BSE020512R2

ABB DI803-eA 3BSE022362R2

ABB DI802-eA 3BSE022360R2

ABB TB40A-eA 3BSE037760R2

ABB CI840A-eA 3BSE041882R2

ABB TB825-eA 3BSE036634R2

ABB BC810K02-eA 3BSE031155R2

ABB PM866K02 3BSE050199R1

ABB PM861AK02 3BSE018160R1

ABB PM866K01 3BSE050198R1

ABB PM851AK01 3BSE066485R1

ABB TB852 3BSC950263R1

ABB PM864AK02 3BSE018164R1

ABB PM856AK01 3BSE066490R1

ABB TK850V007 3BSC95019R1

ABB SB822 3BSE018172R1

ABB PM860AK01 3BSE066495R1

ABB TB850 3BSC950193R1

ABB TK851V010 3BSC950262R1

ABB TK212A 3BSC630197R1

ABB CI867K01 3BSE043660R1

ABB CI861K01 3BSE058590R1

ABB SB821 3BSE018109R1

ABB TB851 3BSC950194R1

ABB MB801V512 3BSE042257R1

ABB PM861AK01-eA 3BSE018157R2

ABB PM861AK02-eA 3BSE018160R2

ABB PM856AK01-eA 3BSE066490R2

ABB PM866K01-eA 3BSE050198R2 6.13

ABB CI867K01 3BSE043660R2

ABB PM851AK01 3BSE066485R2

ABB PM864AK02 3BSE018164R2

ABB CI854AK01 3BSE030220R2

ABB PM860AK01 3BSE066495R2

ABB PM864AK01 3BSE018161R2

ABB PM866K02 3BSE050199R2

ABB TK807F 3BDM000210R1

ABB PM802F 3BSH000002R1

ABB FI840F 3BSH000033R1

ABB EI813F 3BDH000022R1

ABB AM801F 3BDH000040R1

ABB SD812F 3BDH000014R1

ABB AM811F 3BDH000050R1

ABB TK802F 3BDM000213R1

ABB PM803F 3BDH000530R1

ABB FI820F 3BDH000031R1

ABB FI810F 3BDH000030R1

Other best-selling products：